选修7Unit1Reading(新)教学讲解课件.ppt

1、Module 7 Unit 1 Living with technologyA video about Thomas EdisonList the inventions Edison inventedgramophonebulb Title:The evolution of video and sound deviceshistory/developmentTimeline or types A book about technology Subtitles of the passageEarly history of TVThe modern age:satellite TVEarly hi

2、story of sound recordersSound and video recordersSound and video go digitalThe futureActivity 1:Find information according to the timeYearEvent1877The first recording of human voice was made188719251929193819621967198219931995Emile Berliner invented a record player that used discs to record onThe fi

3、rst public TV broadcasts were made in the USARegular public broadcasting began in London The first color TV programme was broadcastRegular color TV broadcast began in the UKSatellites were used to broadcast TVThe first CDs were made availableThe first VCD was bornThe DVD was inventedActivity 2:Detai

4、led readingPart 1:TV 192519281929in the late 1920s and early 1930s1938195119621967Fill in the blanks with proper words:Many people made _ to the development of TV.John Logie Baird _ a system in most early TV broadcasts,which was very _ and had many _.Besides,he _ the first color TV.Philo Farnsworth

5、made important _ in the development of TV.Many of the _ discovered by him are still in _ in modern TVs.contributionsdevelopedprimitivedrawbacksconstructedbreakthroughsprinciplesuseAnalyze the following sentences:1.Satellites allow TV to be broadcast live over vast distances,with everyone receiving t

6、he same broadcast at the same time.2.However,most people still benefit from satellite TV,as local TV companies broadcast the signals they get from satellite receivers to the population living nearby.Activity 2:Part 2:Recorders Time Inventor or placeCharacteristics Advantages or disadvantages1877Emil

7、e BerlinerEmployed steel or paper tape to record onThe early 1950s /Small and cheapCDsVCDDVDActivity 3:Consolidation C1&E Undoubtedly,in the future,both TV and audio devices will still play a very important role in humans life.But theyll certainly be advanced than those of today.What functions would

8、 you like your TVs to have in the future?Design your future TV and state your reasons.Activity 4:Post reading activities19251928Shortly after 192819291951By 1967Vladimir Zworykin;Philo Farnsworth;John Logie BairdThe first wireless TV transmissions were made.The first long-distance TV broadcastRegula

9、r public broadcastingThe first colour TVColour broadcasts began in the USAMost broadcasts more colour TV setsEarly history of TVSatellites were used to broadcast TV in 1962The modern age:Cable TVSatellite TVDigital TVWeb TVBegan in 1948 in the USA,but it took 50 yearsWhy superior to?When standards?H

10、ow many channels?By 2004It allowswith clearer pictures.In 1989200Digital signals were being received by 55 percent ofWhen?How?What?In 1996,WebTV set-top boxesCombine the TV sets with WWWPlay along with game shows,respond toand chat to Thomas Edison America (18471931)electric bulbrecorderEarly histor

11、y of audio devices1.Who made the first recording of a human voice?2.When was the first record player invented?3.How did it work?Tape recorders and players19311948195419791986Thomas Edison,in 1877.In 1887 by Emile Berliner.Be wound up by hand.A German company made the first tape recorderThree America

12、n scientistsand two young Japanese engineersCassette recordersThe walkman was popularWalkman was added toSound goes digitalCDMDMP3198219861988The first CDsDiscman was born.Demand more CDsSmall,easy to carry,record music1987started in Germany,Become popular since 1999Music websites have sprung upHow

13、did people keep in touch in the past?-by letter/telegraph/telephoneHow do people keep in touch now?-most by mobile phonevWhat does the TV in your home look like?vHow big is it?Is it in color or in black and white?vWhat audio devices do you choose to enjoy music?vWhat functions else do you need in an

14、 audio device besides playing music?Leading-in:Leading-in:When did regular public TV broadcasting begin around the world?What is WebTV?What was invented in 1954?Reading:Reading:When did regular public TV broadcasting begin around the world?It began on 11 May 1923 in New York and in London on 20 Augu

15、st 1929.What is WebTV?It is the TV set combined with the World Wide Web.Reading:Reading:What was invented in 1954?The cassette recorder was invented in 1954.Reading:Reading:TV and audio devices:a reviewReading:Reading strategy:understanding subtitles Subtitles appear after titles and give you more i

16、nformation about the text than the titles.They can show you how the text is organized,such as in order of time,by sub-topics or by concepts.TV(In order of time)Audio devices(By types of equipment)Early history of audio devicesTape recorders and playersSound goes digitalEarly history of TVThe modern

17、age:cable TV,satellite TV,digital TVFirst reading:read the text and finishPart A on P2 1.When did regular public TV broadcasting?2.What is WebTV?3.What was invented in 1954?It began on 11 May 1928 in New York and in London on 20 Agugust 1929.It is the TV set combined with the World Wide Web.The cass

18、ette recorder.Careful reading:Read the text again and complete Parts C1 and C2.C1:True or false exercises1.Thomas Edison made the first recording of a human voice.2.Until 1972,most people used black-and-white TV.3.Satellite TV is delivered with greater clarity than digital TV.4.The first record play

19、er was invented before 1877.5.Transistor technology was first used to receive radio programmes,and then to develop cassette recorders.6.CDs were invented about ten years before the MD player was invented.7.MP3 technology began in Germany in 1987.Digital TVsatellite TVafter for military useListen to

20、the tape and work out the timeline for the development of TV and audio devices.(partC2）C2:Fill in the formYearEvent1877First recording of a human voice was made1925194819511954First public showings of wireless TV transmissions were made in the USA.Cable TV began in the USA;3 American scientists inve

21、nted the transistor.Colour broadcasts began in the USA.Invention of transistor led to the development of cassette recorders.YearEvent1958196219821987198919921996First LPs(long-play records)came onto the market.Satellites began to be used to broadcast TV.First CDs produced by using digital technology

22、 were made available.Development of MP3 technology started in Germany.International standards for digital TV were established.Development of MD player began.First WebTV set-top boxes came onto the market.Part D:Match the following words with the correct definitions.1.review2.uncertain3.superior4.que

23、stionnaires5.wound up6.patent7.portable8.demandinga.able to be carriedb.asking for sth,firmlyc.a written list of questions for finding information or opinionsd.not sure,feeling doubt about sth.e.a report on sth.that shows a sequence of eventsf.a paper that proves you are the only person or company a

24、ble to produce a certain product.g.made to move around itself or sth.else.h.better_edhcgfabPart E:Fill in the blanks with words given in the box.broadcasting Germany households recording 200recorders wireless compact Britain 65I was really surprised to find out that the first public showings of(1)_

25、TV transmissions took place way back in 1925.It took another three yearsbefore there are any regular public(2)_,first in the USA and in the following year in(3)_.Personally,I think people must have found it quite a delight when colour TV was first broadcast in 1929.However,within the next(4)_ years,

26、peoplewould be able to choose what to match from a varietyof(5)_ different channels because of cableTV.It is reported that in 1998,66 per cent of(6)_ in the USA had cable TV.wirelessbroadcastingBritain65200householdsThe other information I got was about the evolution of audio devices,starting with T

27、homas Edisons first(7)_,then moving on to different kinds of tape(8)_ and finally CDs(meaning(9)_ discs),which were introducedin the 1980s.I was also really surprised tolearn that(10)_ was the birthplace of MP3,not Japan or the USA as I had Assumed they would be.These things all bring great convenie

28、nce and delight to peoples lives.recordingrecorderscompactGermany 1.TV is popular in modern times.so most of us spend a lot of time enjoying a variety of TV programmes every day.What benefit does TV bring us?Does it have bad effect on us?And why?Discussion 2.More and more people are using computers

29、for information and entertainment.Do you think we will still need books and TVs in the future?Why or why not?3.What are the possible disadvantages of having a lot of technology in our lives?Discussion:First of all,watching TV has the value of giving people complete relaxation.Afterworking hard all d

30、ay,people can forget the pressures and challenges of work whe-n sitting in front of TV.In addition to bei-ng relaxing,TV is entertaining.As is kno-wn to all,TV offers a variety of movies,sports events and music to satisfy peoplesdemands.Meanwhile,TV helps to widen our knowledge and view by covering

31、news.However,TV has a bad effect on people,too.For one thing,it is a big time waster.Secondly,TV has killed peoples creativityundoubtedly.While watching TV,people become receptive and unquestioning.Finallysome TV shows are harmful to children,whose mind may be filled with confusing,misleading,and vi

32、olent ideas.Besides,theirvaluable time will be wasted.Language points in Reading1.Because of this,it is still uncertain who invented TV.(lines 6-7)lIt was my first chance to use that software to edit the video extracts.I was uncertain about how to add background music to it.lDont take his words seri

33、ously.He is a person of uncertain temper.lThe light is uncertain未确定的未确定的易变的易变的忽明忽暗的忽明忽暗的I am uncertain what job I am going to take in the future.我不确定将来我要做什么工作。我不确定将来我要做什么工作。2.Some consider digital TV to be superior to satellite TV(line19-20)lWho do you consider to be the most important person in his

34、tory.lThey are considering moving to another city since they get a new job there.consider:1).to think of someone or something as or to believe someone or something to be 2).consider to carefully think aboutl如果你考虑过她所受的良好训练，你对她如果你考虑过她所受的良好训练，你对她的成功就不会惊讶了。的成功就不会惊讶了。l贝尔被认为是世上第一个发明电话的人。贝尔被认为是世上第一个发明电话的人。

35、Bell is considered to have invented the first telephone.Her success is not surprising if youconsider her excellent training.be superior to：better in quality or value“比 好,比.强”；地位高的；高傲的；自大的在我看来在我看来,手工制作的裤子要比机器加工的好手工制作的裤子要比机器加工的好.l就这两本书而言就这两本书而言,我认为这本比那本更好我认为这本比那本更好.l这家西餐馆比我们上星期去的那一家好。这家西餐馆比我们上星期去的那一家好

36、。In my opinion,trousers made by hand are superior to those made by machines.Of the two books,I think this one is superior to that.This western restaurant is superior to the one we went to last week.lsuperior n.“上级上级”,“长者长者”l我们需要一我们需要一 封你们领导写的推荐信封你们领导写的推荐信.We will need a letter of recommendation from

37、 one of your superiors.be inferior to 比比差的，劣的；地位低的差的，劣的；地位低的A captain is inferior to a major.上尉的级别低于少校。上尉的级别低于少校。3.consumers in the USA had access to 200 channel.(line 22)access:the possibility of reaching a place or the right to use somethinglThe only access to the old castle is a bridge.lStudents

38、have free access to the library in our school.lOnly a few people have access to the lecture hall to deliver a speech.4.In 1996,a completely new concept was introduced when the first WebTV set-top boxes came onto the market.(lines 24-25)lcome onto the market to appear or to be sold in the market Many

39、 things need to be done before a new product comes onto the market.l当当一个新的产品进入市场的时候，很快就脱一个新的产品进入市场的时候，很快就脱销了。销了。l这款新的这款新的MP4面世之后，他很快就在年轻人面世之后，他很快就在年轻人中很流行。中很流行。When a new product comes onto the market,it is soon out of stock.After this new type of MP4 player came onto the market,it soon became popul

40、aramong young people.5.This combines the TV set with the world Wide Web.(line 25)l combinewith/be combined with:to join something together withv理论应该和实践结合起来。理论应该和实践结合起来。v教孩子的一种好方法是把教学与快乐结合起来。教孩子的一种好方法是把教学与快乐结合起来。A good way of teaching children is to combine teaching with pleasure.Theory should be com

41、bined with practice.6.At that time,the record player had to be wound up by hand and only played a record for two minutes.(lines 31-32)lwound v.&n.受伤受伤;伤口伤口 lwind v.(wound,wound)to turn or twist 蜿蜒，蜿蜒，缠绕缠绕,上发条，卷起上发条，卷起1.The nurse wound a bandage around my finger so that bleeding could be stopped.2.Re

42、member to wind the clock every night before you go to bed if you do not want it to stop.3.The soldier was wounded in the battle._7.They bought the patent and applied the technology to create the transistor radio.(lines39-40)lapply v.1).to bring or put into use or operation(to)生效，应用，运用生效，应用，运用 2).mak

43、e a formal request(for)申请，请求申请，请求Scientific discoveries are often applied to industrial processes.I want to apply to the boss for this task.l这项研究成果将应用于肺癌的治疗这项研究成果将应用于肺癌的治疗.l我们已经向市政会申请改善住房的拨我们已经向市政会申请改善住房的拨款（款（a home improvement grant）.The results of this research will be applied to the treatment of

44、lung cancer.Weve applied to the council for a homeimprovement grant.Application n.应用；申请applicant n.申请者；应征者8.and in 1988,for the first time ever,people were demanding More CDs than Lps(line 49)ever adv.1).At all times;always:一直：在所有时间；总是：一直：在所有时间；总是：It was the best result theyve ever had.2).At any tim

45、e:曾经：在某一时间曾经：在某一时间(常用于疑问句常用于疑问句)：Have you ever been to Europe?3).In any way;at all:以任何方式；到底（强用于疑问句）以任何方式；到底（强用于疑问句）How did they ever manage?vdemand(n.v.)need,to need in order to be successfulv demand+n/pronoun/to infinitive/object clause(subjunctive mood)e.g.1)Work of this nature demands many person

46、al sacrifices/demands a great deal of those who embark on it.2).She demanded to speak to the manager.l教师的工作需要极大的细心和耐心教师的工作需要极大的细心和耐心.l他要求将一切都告诉他他要求将一切都告诉他.He demands that he(should)be told everything.The work of a teacher demands great care and patience.9.that major corporations are taking over the

47、portable music player market with MP3 players.(Line 55-56)take over 把把.从一地带到另一地从一地带到另一地,接收接收,接管接管hand over 移交移交The son _ the restaurant from his father.Mikes father _ his restaurant to mike.took overhanded overtake over take in take up take ontake down take back take off take away1.Could you help me

48、 to _ the curtain _.2.Two hamburgers and chips _,please!3.The plane _ at 14:30 every day.4.Her eyes _a hurt expression after my words.5.Has the party _by extremists?6.The chest _ much room in my bedroom.7.We only _goods _if customers find quality problems within a week.8.Dont _ by his charming manne

49、r,hes completely rude.takedownto take awaytakes offtook onbeen taken overtakes uptakebackbe taken in10.the popularity of MP3 has increased to such a degree that(lines 53-56)ldegree a point on an imaginary line used for measuring or comparing qualities,feeling,abilities,etc.vThe children have differe

50、nt degrees of ability.v.vTo what degree can they be trusted.孩子的能力高低各不相同孩子的能力高低各不相同.对他们能信任到什么程度对他们能信任到什么程度11.Because of the popularity of MP3 players,music websites have sprung up all over the Internet(lines 57-58)lspring（sprang,sprung)v.to grow or to start up quickly lspring up 突然出现，涌现，迅猛发展突然出现，涌现，迅